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slega [8]
3 years ago
12

The gardener sells half of his oranges plus three more to his first buyer. The gardener then sells half of his remaining oranges

plus three more to his second buyer. Finally, the gardener sells half of his remaining oranges plus three more to his third buyer. The gardener is left with 13 oranges at the end of the day after the third (and final) buyer makes his purchase. Based on this information, how many oranges did the gardener start out with at the beginning of the day?
Mathematics
1 answer:
Andrew [12]3 years ago
5 0

Answer:

146

Step-by-step explanation:

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What is 0.016667 to three significant figures
Korolek [52]

Answer:

0.0167

Step-by-step explanation:

There are 5 "Sig Figs" in this number: 1, 6, 6, 6, and 7

0.01666 rounded to <em>three</em> significant figures is .0167.

6 0
3 years ago
Write an equation of the line containing the point (6,-4) and perpendicular to.the line y=-2x-3
igor_vitrenko [27]

Answer:

y=\frac{1}{2}x-7

Step-by-step explanation:

So we need to find an equation of a line that crosses the point (6,-4) and is perpendicular to y = -2x -3.

First, let's find the slope of the line we want to write. The line we want is perpendicular to y = -2x -3. Recall that if two lines are perpendicular to each other, their slopes are negative reciprocals of each other. What this means is that:

m_1\cdot m_2=-1

Plug -2 for one of the slopes.

-2\cdot m_2=-1

Divide by -2 to find the slope of our line.

m_2=1/2

Thus, our line needs to have a slope of 1/2.

Now, let's use the point-slope form. The point-slope form is given by:

y-y_1=m(x-x_1)\\

Plug in 1/2 for the slope m and let's let our point (6,-4) be x₁ and y₁. Thus:

y-(-4)=\frac{1}{2}(x-6)\\

Simplify and distribute:

y+4=\frac{1}{2} x-3

Subtract 4 from both sides:

y=\frac{1}{2}x-7

The above is the equation that passes the point (6,-4) and is perpendicular to y = -2x -3.

5 0
3 years ago
Solve for x ax+3b=2f
Paladinen [302]

You said                                  ax + 3b = 2f

Subtract  3b  from each side:  ax         = 2f - 3b

Divide each side by 'a' :             x        = (2f - 3b) / a 

3 0
3 years ago
A plane descends to sea level from 36 comma 400 feet after being airborne for 1 and one half hours. The entire flight time is 3
andrew-mc [135]

Answer:

350 feet per minute

Step-by-step explanation:

The amount of time it took the plane to descend is 3 hours 14 minutes minus 1 hour 30 minutes.

This means it took 104 minutes for the plane to descend 36,400 feet.

Dividing 36400 by 104, you get 350 which is the average rate of descent in feet per minute.

6 0
3 years ago
Read 2 more answers
D’Andra has a dentist appointment in 5 weeks. There are 7 days in a week. How many days are in 5 weeks?
Lisa [10]

Answer:

A. 35

Step-by-step explanation:

Each week has 7 days, and we have 5 weeks.

Week 1 has 7 days.

Week 2 has 7 days.

Week 3 has 7 days.

Week 4 has 7 days.

Week 5 has 7 days.

We can add all these together to get the total number of days: 7 + 7 + 7 + 7 + 7 = 7 * 5 = 35.

Thus, the answer is A.

Hope this helps!

8 0
3 years ago
Read 2 more answers
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